Brookfield KF40 Operating Instructions Manual Download Page 1

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INSTRUMENTATION & SPECIALTY CONTROLS DIVISION

11 Commerce Boulevard, Middleboro, MA 02302 USA

Tel

: 508-946-6200 or 800-628-8139

(USA excluding MA)

Fax

: 508-946-6262

Internet

http://www.brookfieldengineering.com

BROOKFIELD KF40

Falling Ball Viscometer

Operating Instructions

Manual No.

M19-354

Summary of Contents for KF40

Page 1: ...ON 11 Commerce Boulevard Middleboro MA 02302 USA Tel 508 946 6200 or 800 628 8139 USA excluding MA Fax 508 946 6262 Internet http www brookfieldengineering com BROOKFIELD KF40 Falling Ball Viscometer...

Page 2: ......

Page 3: ...mple Tube 11 II 3 Temperature Control of the Sample 12 II 4 Measuring the Falling Time 12 III CALCULATIONS 14 III 1 Dynamic Viscosity 14 III 2 Kinematic Viscosity 15 IV DETERMINATION OF THE NON NEWTON...

Page 4: ......

Page 5: ...ll densities are listed on the test certificate accompanying the instrument You must provide the density value for the liquid that you are testing The six 6 balls with different diameters and densitie...

Page 6: ...7x104 mPa s cP Falling Time Lower Limit 60 s for Ball No 1 30 s for Ball Nos 2 3 4 5 and 6 Falling Time Upper limit 300 s Materials with viscosity 7x104 mPa s require running times of over 300 s Meas...

Page 7: ...ed in the DIN53015 standard To determine the accuracy of the viscometer for balls 1 4 5 and 6 please refer to the method specified in the DIN 53015 standard I 4 Description of the Equipment Refer to F...

Page 8: ...meter See Appendix B 6 Thethermometerscrew 11 andthermometerseal 13 withinsertedthermometerisscrewed into M10x1Thermometer attachment thread 12 in the upper plate The thermometer screw should be tight...

Page 9: ...Part No FB64 6 Glass Tube 15 94mm dia with s n oriented 17 Lower Locking Plug Part No FB66 towards the top of the instrument Part No FB76 18 Cap Part No FB63 7 Upper Plate 19 Viscometer seal A 16mm x...

Page 10: ...alls These components material glass Ni iron steel perbunane silicone stainless steel surfaces must not be damaged or subject to chemical action by the cleaning fluid The cleaning procedure is to be c...

Page 11: ...scometers is not permitted Otherwise the ball constants lose their validity When the falling time for the ball is less than the minimum time turbulence may occur II 2 Filling the Sample Tube To fill t...

Page 12: ...Working Fluids Tubing 5 to 20 C Water distilled glycol mixture mixed in accordance with the manufacturer s instructions for the temperature range Insulated Latex tubing secured with tube band clips 1...

Page 13: ...same height as the ring mark shows the ball periphery more distinctly With dark liquids you can better observe the ball in the sample tube by looking from behind the instrument Possible variations in...

Page 14: ...g F working angle constant Angle of inclination a applied to the level Working angle constant F 80 DIN 1 0 70 0 952 60 0 879 50 0 778 The density and ball constant are each stated in the test certific...

Page 15: ...ights reserved III 2 Kinematic Viscosity The conversion of the dynamic viscosity into the kinematic viscosity is accomplished using the following equation Equation 2 2 Kinematic viscosity mm2 s Dynami...

Page 16: ...ity Pseudoplasticity and Dilatancy Using the KF40 Falling Ball Viscometer at different angles may serve to determine pseudoplastic or dilatant behavior for non Newtonian liquids If the sample is non N...

Page 17: ...ve that the ends of the sample tube project evenly from the upper and lower plates 7 Re calibrate all the ball constants according to Appendix B A 2 Exchanging the Water Bath Jacket Caution Glass Comp...

Page 18: ...o the method in DIN 53015 at 20 C 05 C A suitably calibrated thermometer can be obtained from your local authorized dealer on request Ball 6 is not recommended for use in performing a calibration chec...

Page 19: ...ing MA MID sales ametek com Available Online Brookfield has a growing number of published articles that can be downloaded directly from the Brookfield website These articles can be found on our main s...

Page 20: ...vice in the United States return to AMETEK Brookfield 11 Commerce Boulevard Middleboro MA 02346 U S A Telephone 508 946 6200 Fax 508 923 5009 www brookfieldengineering com For repair or service outsid...

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